/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Elements/PCGLoopElement.h
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(BlueprintType, ClassGroup=(Procedural)) class UPCGLoopSettings : public [UPCGSubgraphSettings](API\Plugins\PCG\UPCGSubgraphSettings)
FString
LoopPins
Comma-separated list of pin names on which we will loop by-element in a step-wise fashion; if more than one is provided, it is expected that they all have the same number of data.